12162717756017 has 4 divisors (see below), whose sum is σ = 12691531571520. Its totient is φ = 11633903940516.

The previous prime is 12162717756001. The next prime is 12162717756019. The reversal of 12162717756017 is 71065771726121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12162717756017 - 2⁴ = 12162717756001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12162717756017.

It is not an unprimeable number, because it can be changed into a prime (12162717756019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264406907717 + ... + 264406907762.

It is an arithmetic number, because the mean of its divisors is an integer number (3172882892880).

Almost surely, 2^{12162717756017} is an apocalyptic number.

It is an amenable number.

12162717756017 is a deficient number, since it is larger than the sum of its proper divisors (528813815503).

12162717756017 is an equidigital number, since it uses as much as digits as its factorization.

12162717756017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528813815502.

The product of its (nonzero) digits is 1728720, while the sum is 53.

The spelling of 12162717756017 in words is "twelve trillion, one hundred sixty-two billion, seven hundred seventeen million, seven hundred fifty-six thousand, seventeen".